Question

Here is a scatterplot showing the regression line, 95% confidence intervals, and 95% prediction intervals, using 2012 youth unemployment data for a sample of 33 nations. The response variable is the Male Rate, and the predictor variable is the Female Rate.

a) Explain the meaning of the 95% prediction intervals in this context.
b) Explain the meaning of the 95% confidence intervals in this context.
c) Using a statistics program, identify any unusual observations, and discuss their potential impact on the regression.